A_ Quality control testes include:
- Coils thickness test
- Coils bending test
- Hydraulic pressure test: 250 Kpa
- Toughness test: 30 Kpa
- Fall test in diagonal & horizontal positions
- Stacking test: constant load of 2200 kg
- Up to stacking height of 8.0 for 24 h.
- Macrograph of triple gripping & welding
B – Final quality test include:
- Pneumatic test
- Paint visual check
- Thickness test
- Adherence test (according to DIN 52151)
- Erichsen draw test
- Color check (using RAL paper)